Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

This science fair project teaches students the differences between fruits and vegetables.

This science project teaches students to classify different shapes of leaves.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

This science fair project idea determines the probability of a coin landing heads or tails.

This science research project challenges students to think of more effective lobster farming methods.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

This science project allows students to study the psychology of happiness.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This activity is a fun challenge for students who have just started learning to program educational robots.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.